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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 49: Poster Session II

CPP 49.48: Poster

Tuesday, March 17, 2020, 14:00–16:00, P1A

Improvement of hole transport layer selectivity for polymer solar cells — •Aurelien Sokeng Djoumessi1, 2, Jose Prince Madalaimuthu1, 2, Shahidul Alam1, 2, Ulrich S. Schubert1, 2, and Harald Hoppe1, 21Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University Jena, Germany — 2Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Germany

Since the device performance and stability strongly depend on the interfacial layers, the hole transport layer (HTL) is one of the crucial parameters of polymer solar cells. Specifically interesting for charge extraction is the selectivity of the HTL. Furthermore unfavorable interactions with electrodes or the photoactive layer should be screened. We investigated organic solar cells in conventional architecture by varying the HTL systematically between PEDOT:PSS and a sol-gel derived metal oxide. The impact of modified HTL in the solar cells were investigated by different optical and electrical characterizations. In order to observe the effect on the recombination mechanism of the solar cells, light intensity-dependent current-voltage (LID-IV) measurements and analysis of IV-characteristics were performed.

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